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Yuri [45]
4 years ago
15

A powder diet is tested on 49 people and a liquid diet is tested on 36 different people. Of interest is whether the liquid diet

yields a higher average weight loss than the powder diet. The powder diet group had an average weight loss of 42 pounds with a standard deviation of 12 pounds. The liquid diet group had an average weight loss of 44 pounds with a standard deviation of 14 pounds. Conduct a hypothesis test at the 5% level. State the distribution to use for the test.
Mathematics
1 answer:
Fittoniya [83]4 years ago
5 0

Answer:

add all of it

Step-by-step explanation:

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A wheel with radius $1\text{ m}$ is rolled in a straight line through one complete revolution on a flat horizontal surface. How
-Dominant- [34]

The distance traveled by the center is equal to the distance traveled by the wheel 6.28m is traveled by the center.

Given: A wheel with a radius rolled in a straight line through one complete revolution on a flat horizontal surface.

To Find: How many meters did the center of the wheel travel horizontally from its starting location.

Solution:

consider the figure attached.

radius of wheel =1m

Horizontal distance traveled by the wheel in one complete revolution

=circumference of the wheel

\\=2\pi r\\=2*3.14*1\\=6.28m

Hence, the distance traveled by center is equal to the distance traveled by the wheel 6.28m is traveled by the center

Learn more about distance here brainly.com/question/15827842

#SPJ4

7 0
2 years ago
Lizzie has 12 pounds of clay and wants to use all of it. She does not need to make all of the projects, and may make more than o
torisob [31]

Answer:

many answers,

Step-by-step explanation:

she could make 9 mugs, (3/4 x 9 = 12)

she could make 1 small bowl, 1 small plate, 2 large bowls and 2 mugs. (2.5 + 1.5 = 4, 3.25 x2 = 6.5  .75 x 2 = 1.5; 4+ 6.5= 10.5  10.5 + 1.5 = 12) etc

8 0
3 years ago
Solve
Readme [11.4K]

Answer:

13

round off because the remaining can't be made into bookshelves

3 0
3 years ago
Three cards are drawn from a standard deck. What is the probability that all three are hearts, given that at least two of them a
bogdanovich [222]

Answer:

1/3 I believe because we already know 2 of them are hearts

Step-by-step explanation:

3 0
3 years ago
Solve 3x - 9x + 7 - 3 = -8.<br><br> 6<br> -6<br> 2<br> -2
alexgriva [62]

Answer:

x=2

Step-by-step explanation:

  1. add like terms (3x-9x= -6x, 7-3= 4)
  2. then move the constant to the right (-8+4=-12)
  3. finally divide it by 6 which gives you "x"
5 0
4 years ago
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